99743806 has 8 divisors (see below), whose sum is σ = 157490280. Its totient is φ = 47247048.

The previous prime is 99743797. The next prime is 99743821. The reversal of 99743806 is 60834799.

99743806 = T₈₁₅₃ + T₈₁₅₄ + T₈₁₅₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312381 + ... + 1312456.

It is an arithmetic number, because the mean of its divisors is an integer number (19686285).

Almost surely, 2^99743806 is an apocalyptic number.

99743806 is the 8155-th centered triangular number.

99743806 is a deficient number, since it is larger than the sum of its proper divisors (57746474).

99743806 is a wasteful number, since it uses less digits than its factorization.

99743806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624858.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 99743806 is about 9987.1820850528. The cubic root of 99743806 is about 463.7621619728.

The spelling of 99743806 in words is "ninety-nine million, seven hundred forty-three thousand, eight hundred six".